117166556 has 12 divisors (see below), whose sum is σ = 220813992. Its totient is φ = 54076848.

The previous prime is 117166547. The next prime is 117166573. The reversal of 117166556 is 655661711.

It is a super-2 number, since 2×117166556² = 27456003689802272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126550 + ... + 1126653.

It is an arithmetic number, because the mean of its divisors is an integer number (18401166).

Almost surely, 2^117166556 is an apocalyptic number.

It is an amenable number.

117166556 is a deficient number, since it is larger than the sum of its proper divisors (103647436).

117166556 is a wasteful number, since it uses less digits than its factorization.

117166556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253220 (or 2253218 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 117166556 is about 10824.3501421563. The cubic root of 117166556 is about 489.3293003468.

The spelling of 117166556 in words is "one hundred seventeen million, one hundred sixty-six thousand, five hundred fifty-six".